Numbers 32:1-19
Now the children of Reuben and the children of Gad had a very great multitude of cattle: and when they saw the land of Jazer, and the land of Gilead, that, behold, the place was a place for cattle;
Nave's Topical Index—AKJV

Joshua 22:10-34
And when they came to the borders of Jordan, that are in the land of Canaan, the children of Reuben and the children of Gad and the half tribe of Manasseh built there an altar by Jordan, a great altar to see to.
Nave's Topical Index—AKJV